﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Mail;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using VVA.Website.UI.Areas.Admin.Models.Account;

namespace VVA.Website.UI.Areas.Admin.Controllers
{
    [Authorize]
    public class AccountController : Controller
    {
        //
        // GET: /Admin/Account/

        public ActionResult Index()
        {
            var model = Membership.GetAllUsers();
            return View(model);
        }

        public ActionResult Create()
        {
            var model = new RegisterModel();

            return View(model);
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Create(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                Membership.CreateUser(model.UserName, model.Password, model.Email);
                return RedirectToAction("Index");
            }

            return View(model);
        }

        public ActionResult Edit(Guid id)
        {
            var model = Membership.GetUser(id);
            return View(model);
        }

        [AllowAnonymous]
        public ActionResult Login(string returnUrl)
        {
            ViewBag.ReturnUrl = returnUrl;
            return View();
        }

        [HttpPost]
        [AllowAnonymous]
        [ValidateAntiForgeryToken]
        public ActionResult Login(LoginModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                if (Membership.ValidateUser(model.UserName, model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(returnUrl))
                    {
                        return Redirect(returnUrl);
                    }
                    else
                    {
                        return RedirectToAction("Index", "Dashboard");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        [HttpPost]
        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();
            return new EmptyResult();

        }

        public ActionResult ChangePassword()
        {
            return View();
        }

        [HttpPost]
        public ActionResult ResetPassword(Guid userId)
        {
            var user = Membership.GetUser(userId);
            var newPassword = user.ResetPassword();

            MailMessage mailMessage = new MailMessage("webmaster@camchimvva.vn", user.Email, "Reset password", newPassword);

            SmtpClient client = new SmtpClient();
            client.Send(mailMessage);

            return new EmptyResult();
        }

        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            bool changePasswordSucceeded = false;

            if (ModelState.IsValid)
            {
                // ChangePassword will throw an exception rather
                // than return false in certain failure scenarios.

                try
                {
                    MembershipUser currentUser = Membership.GetUser(User.Identity.Name, userIsOnline: true);
                    changePasswordSucceeded = currentUser.ChangePassword(model.OldPassword, model.NewPassword);
                }
                catch (Exception)
                {
                    changePasswordSucceeded = false;
                }
            }

            // If we got this far, something failed, redisplay form
            return new JsonResult() { Data = changePasswordSucceeded };
        }

        private ActionResult RedirectToLocal(string returnUrl)
        {
            if (Url.IsLocalUrl(returnUrl))
            {
                return Redirect(returnUrl);
            }
            else
            {
                return RedirectToAction("Index", "Dashboard");
            }
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        private IEnumerable<string> GetErrorsFromModelState()
        {
            return ModelState.SelectMany(x => x.Value.Errors.Select(error => error.ErrorMessage));
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
